Peter,
PD wrote:
Hi,
please can someone help me with this (maybe simple solution): Is it
possible to install two (or more) versions of SA in one Python
environment and import specific version? E.g. when migrating from old
version.
If you installed using easy_setup then you can do:
werner wrote:
Peter,
PD wrote:
Hi,
please can someone help me with this (maybe simple solution): Is it
possible to install two (or more) versions of SA in one Python
environment and import specific version? E.g. when migrating from old
version.
If you installed using
Hi there,
this is perhaps a stupid question, but we can't get it figured out
from the docs on inheritance...
Is it possible in sqlalchemy to have a hierarchy of classes of which
only the root class in the hierarchy is mapped to the database at
all. (So the subclasses do not have any persisted
PD wrote:
Hi,
please can someone help me with this (maybe simple solution): Is it
possible to install two (or more) versions of SA in one Python
environment and import specific version? E.g. when migrating from old
version.
You might also want to look into:
Hi,
I simplified my problem to a small example (see model below).
A Product has several Tags attached. A beachball is green, blue, round
and big:
p=Product()
p.name = Beachball
p.tags = [greenTag, blueTag, roundTag, bigTag]
DBSession.save(p)
Often I just want to see the color-related tags, not
Hello,
I'm busy to make a kind of mapper exporter/serializer. My goal is to
be able to serialize (in JSON, XML, ...) any Mapper object (including
relations, etc)
At the moment I've the following code (not finished at all) :
http://www.pastie.org/625787
As you can see I'm iterating over
On Sep 22, 5:57 am, Kees van den Broek kees...@gmail.com wrote:
Hi,
I simplified my problem to a small example (see model below).
A Product has several Tags attached. A beachball is green, blue, round
and big:
p=Product()
p.name = Beachball
p.tags = [greenTag, blueTag, roundTag, bigTag]
On Sep 22, 9:39 am, Conor conor.edward.da...@gmail.com wrote:
On Sep 22, 5:57 am, Kees van den Broek kees...@gmail.com wrote:
Hi,
I simplified my problem to a small example (see model below).
A Product has several Tags attached. A beachball is green, blue, round
and big:
p=Product()
Hi,
When I run a simple query like this:
qry = session.query(CheckHistory)
qry = qry.filter(and_(CheckHistory.CHECK_DATE = '1/1/2007',
CheckHistory.CHECK_DATE =
'1/1/2008'))
res = qry.all()
I get one CheckHistory row and a None. If I run the echoed SQL code in
In my application, I have a set of tables that model parts of what are
conceptually composite objects, and I need to validate that the state
of the objects is coherent before committing them to the database. In
the course of building up the network of objects, the state may be
temporarily
Hi guys,
I’m to build an adjacency list in SA and have looked at the
basic_tree.py example provided, however, I need to order the children.
Now I don’t really want to use nested sets and I know linked lists can
be implemented in SA quite easily.
So naturally I tried something like
trees =
I'm having some trouble developing my model, and was hoping someone on
this list could help...
Here's what I want:
A BizEntity object
A Person and Company object (both descended from BizEntity, using
joined table inheritance)
A Company.employees attribute, which points to a list of Persons who
-Original Message-
From: sqlalchemy@googlegroups.com
[mailto:sqlalch...@googlegroups.com] On Behalf Of Randall Nortman
Sent: 22 September 2009 16:31
To: sqlalchemy
Subject: [sqlalchemy] Pre-commit validation spanning multiple
tables/ORM classes
[SNIP]
So if I do this with
thanks - but how does that query specify a town?
It seems like that would just return true if the current user had any
town relationships? Or am I reading it wrong?
On Sep 19, 5:46 pm, Michael Bayer mike...@zzzcomputing.com wrote:
On Sep 19, 2009, at 11:41 AM, joeformd wrote:
When we
My issue with SQLA validators is that they don't allow inconsistent
state even on fields of a single object, which makes multi-field
validation impossible.
Eg. imagine you have fields tax_id and country_code on a customer
object. For country code 'us', tax_id should be 9 digits long; for
country
bojanb wrote:
My issue with SQLA validators is that they don't allow inconsistent
state even on fields of a single object, which makes multi-field
validation impossible.
meaning, you set A.a and you can't depend on A.b being correct yet ?
Well sure. How would you have it done ? Something
meaning, you set A.a and you can't depend on A.b being correct yet ?
Well sure. How would you have it done ? Something has to trigger the
validate event at some point. So if you need to wait for all of A.a,
A.b, A.c, etc. to be setup first, then sure you'd throw your validation
into
On Sep 22, 2009, at 11:09 AM, Mike Driscoll wrote:
Hi,
When I run a simple query like this:
qry = session.query(CheckHistory)
qry = qry.filter(and_(CheckHistory.CHECK_DATE = '1/1/2007',
CheckHistory.CHECK_DATE =
'1/1/2008'))
res = qry.all()
I get one
On Sep 22, 2009, at 8:34 AM, Julien Cigar wrote:
Hello,
I'm busy to make a kind of mapper exporter/serializer. My goal is to
be able to serialize (in JSON, XML, ...) any Mapper object (including
relations, etc)
At the moment I've the following code (not finished at all) :
On Sep 22, 2009, at 11:59 AM, Kevin H wrote:
I'm having some trouble developing my model, and was hoping someone on
this list could help...
Here's what I want:
A BizEntity object
A Person and Company object (both descended from BizEntity, using
joined table inheritance)
A
On Sep 22, 2009, at 3:42 AM, Iwan wrote:
Hi there,
this is perhaps a stupid question, but we can't get it figured out
from the docs on inheritance...
Is it possible in sqlalchemy to have a hierarchy of classes of which
only the root class in the hierarchy is mapped to the database at
21 matches
Mail list logo
